Why have xxx_t typedef names (was Re: Is typedef char BUFFER[20] legal?)

[Avery Colter]

henry at zoo.toronto.edu (Henry Spencer) writes:

>The purpose is the same as the convention of using uppercase for macro
>names:  to give the poor programmer a little bit more help in figuring
>out what's going on, and to minimize namespace collisions.

It might be, since these seem to be so widespread, that the standards
committee might have sanctioned certain of these xxx_t types as being
standard parameter or return types of some of the standard library
functions.

In the same way that FILE, a typedef'd structure, is the standard
type for a filename under <stdio.h>

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